Autoround Brake Caliper 18B4728/18B4729 — Direct-Fit for 1999-2013 Chevy/GMC Trucks & SUVs, OEM-Style

The Autoround 18B4728 / 18B4729 is a direct-fit replacement brake caliper engineered to match OE dimensions and restore reliable stopping performance on a wide range of GM trucks and SUVs.

Built to OEM-style specifications and factory-tested for durability, this caliper is offered as a direct replacement for numerous Chevrolet, GMC, Cadillac and Hummer models from 1999 through 2013. It arrives ready to install with the same mounting geometry, piston arrangement and brake-fit tolerances to reduce installation time and avoid modification. Autoround backs the part with a three-year QA period and customer support for fitment questions.

Which vehicles will accept this Autoround caliper?

This caliper covers many front- and rear-axle applications across GM platforms. Fitment includes multiple model years of Silverado, Sierra, Suburban, Tahoe, Avalanche, Express vans, Yukon series, Escalade, H2 and others—check the exact position (front or rear) and model year before ordering.

• Compatible with Silverado/Sierra 1500/2500/3500 models (specific years and axle positions vary)
• Fits Suburban, Tahoe, Yukon and Yukon XL entries across 2000–2013 model years
• Also matches select Cadillac Escalade and Hummer H2 applications
• Replace part numbers include 184728, 184729 and OE cross-references for easy lookup

How does this caliper compare to the original equipment part?

Manufactured to meet OE tolerances, the Autoround caliper mirrors the original in size, piston configuration and mounting points. It undergoes factory testing for pressure hold and mechanical integrity to help achieve consistent braking feel without reengineering brackets or hoses.

• OE-targeted dimensions and piston layout for bolt-on replacement
• Quality control testing performed at the factory level
• Surface finishes and seal systems chosen to resist corrosion and leaks
• Shipping as a complete caliper reduces bench-assembly time

What should I know before installing the Autoround caliper?

Verify left/right and front/rear orientation and confirm the vehicle VIN/year to ensure the correct application. Prepare by flushing brake fluid, inspecting hoses and hardware, and using new pads and hardware where recommended for best results.

• Confirm axle position and piston count to match the vehicle’s system
• Bleed the brake system after installation to remove air
• Inspect mounting bolts, brake hose condition, and rotor surface beforehand
• Use compatible pads and torque specifications during reassembly

What warranty and support come with this product?

Autoround provides a three-year quality assurance window and direct customer service to address fitment or performance questions. Replacement or support options are available through Autoround customer channels if manufacturing defects arise within the coverage period.

• Three years of QA coverage from Autoround
• Customer support available for fitment and technical questions
• Clear OE cross-reference numbers included for verification
• Part numbers listed for easier parts lookup prior to purchase

Who this is for: This caliper is intended for do-it-yourself mechanics, independent repair shops and fleet managers who need a dependable, direct-fit brake caliper replacement for GM trucks and SUVs. It suits anyone restoring original braking performance without custom modifications, provided the buyer confirms exact vehicle fitment and installs the part following standard brake service procedures.